library for byte prefixes

 This library is designed for formatting sizes in bytes for display. The user
 can configure a preferred prefix style.
 .
 Three different types of byte prefixes can be selected:
  * kB, MB, GB with base 1000 (base10)
  * KiB, MiB, GiB with base 1024 (base2)
  * KB, MB, GB with base 1024 (historic)